A 67.8 kg man sits in a 6.3 kg chair so that
his weight is evenly distributed on the legs
of the chair. Assume that each leg makes
contact with the floor over a circular area
with a radius of 2.4 cm.
What is the pressure exerted on the floor
by each leg? The acceleration of gravity is
9.81 m/s2 .
Answer in units of Pa
1 answer
p =F/A =(m+M)g/4πr² = (6.3+67.8)9.8/4π(0.024)²= …